Circumstellar Interaction of Type Ia Supernova SN 2002ic

Details Circumstellar Interaction of Type Ia Supernova SN 2002ic Circumstellar Interaction of Type Ia Supernova SN 2002ic

2004-06-10

arxiv.org/abs/astro-ph/0406263v1

Astronomy and Astrophysics

Astrophysics

8 pages, 4 figures. Published in "Frontier in Astroparticle Physics and Cosmology", ed. K. Sato and S. Nagataki (Tokyo: Univer

Scientific paper

SN 2002ic is a unique supernova which shows the typical spectral features of Type Ia supernovae (SNe Ia) near maximum light, but also apparent hydrogen features that have been absent in SNe Ia. We have calculated hydrodynamical models for the interaction between the SN Ia ejecta and the H-rich circumstellar medium (CSM) to reproduce the observed features of SN 2002ic. Based on our modeling, we suggest that CSM is aspherical (or highly clumpy) and contains about 4-5 solar masses. Possible progenitor systems of SN 2002ic are discussed.

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